<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Values and Units Test Reference File</title>
<link rel="author" title="Florian Rivoal" href="http://florian.rivoal.net/">
<style>
svg {
    width: 10ch;
    writing-mode: vertical-rl;
    text-orientation: upright;
}
</style>
<body>
    <p>Test passes if there is a <strong>filled green square</strong> and <strong>no red</strong>.</p>
    <svg viewBox="0 0 100 100"><rect x="0" y="0" width="100" height="100" fill="green"></svg>
</body>
